<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/3216#discussion_r32762782">cpu/kinetis_common/spi.c</a>:</p>
<pre style='color:#555'>> @@ -1263,13 +1237,13 @@ int spi_transfer_regs(spi_t dev, uint8_t reg, char *out, char *in, unsigned int
>      /* Default: send idle data */
>      byte_out = (uint8_t)SPI_IDLE_DATA;
>  
> -    for (i = 0; i < (int)length; i++) {
> +    for (i = 0; i < (int)len; i++) {
</pre>
<p>you can remove the <code>(int)</code> cast since both <code>len</code> and <code>i</code> are <code>size_t</code></p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br>Reply to this email directly or <a href="https://github.com/RIOT-OS/RIOT/pull/3216/files#r32762782">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AEn7YOFe8JgoQtrY4l_z1ct4C_ufsZATks5oUwZ0gaJpZM4FE0ql.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
  <div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
    <link itemprop="url" href="https://github.com/RIOT-OS/RIOT/pull/3216/files#r32762782"></link>
    <meta itemprop="name" content="View Pull Request"></meta>
  </div>
  <meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>